Last Friday, a payment-processing centre in Atlanta became the largest target of a successful hacking attack. According to media reports, the company discovered that information for millions of transactions was stolen, allowing unauthorised third-parties to commit fraud.

Experts at SophosLabs™ have recently assisted the UK government in analysing a series of Trojans designed to steal confidential and sensitive information. According to a report from the NISCC, nearly 300 UK government departments and businesses which are critical to the country's infrastructure have been the subject of Trojan horse attacks.

Microsoft issued a batch of ten security fixes for its customers
yesterday. The critical patches address vulnerabilities in Windows and Internet Explorer that can allow an unauthorised remote attacker to take control of a computer.

According to SophosLabs™, Sophos's global network of virus and spam analysis centres, the Mytob worms currently account for more than half of the top twenty viruses reported to Sophos in the last 48 hours, representing 42.9% of all virus reports.

Sophos, a world leader in protecting businesses against spam and viruses, has
published a report revealing the top ten viruses and hoaxes causing problems for businesses around the world during the month of May 2005.